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Monsanto Company v. Durnell

Docket No. Op. BelowArgument Opinion Vote Author Term
24-1068 Mo. Ct. App. Apr 27, 2026 TBD TBD TBD OT 2025

Issue: Whether the Federal Insecticide, Fungicide, and Rodenticide Act preempts a label-based failure-to-warn claim where EPA has not required the warning.

DateProceedings and Orders (key to color coding)
04/04/2025Petition for a writ of certiorari filed. (Response due May 9, 2025)
04/29/2025Motion to extend the time to file a response from May 9, 2025 to June 9, 2025, submitted to The Clerk.
04/30/2025Motion to extend the time to file a response is granted and the time is extended to and including June 9, 2025.
05/01/2025Brief amicus curiae of Atlantic Legal Foundation filed.
05/07/2025Brief amicus curiae of Croplife America filed.
05/09/2025Brief amici curiae of American Farm Bureau Federation, et al. filed.
05/09/2025Brief amici curiae of Chamber of Commerce of the United States of America, et al. filed.
06/09/2025Brief of respondent John L. Durnell in opposition filed. (Distributed)
06/09/2025Waiver of the 14-day waiting period for the distribution of the petition pursuant to Rule 15.5 filed by petitioner.
06/10/2025DISTRIBUTED for Conference of 6/26/2025.
06/16/2025Reply of petitioner Monsanto Company filed. (Distributed)
06/30/2025The Solicitor General is invited to file a brief in this case expressing the views of the United States.
12/01/2025Brief amicus curiae of United States filed.
12/16/2025DISTRIBUTED for Conference of 1/9/2026.
12/16/2025Supplemental brief of respondent John L. Durnell filed. (Distributed)
01/12/2026DISTRIBUTED for Conference of 1/16/2026.
01/16/2026Petition GRANTED limited to the following Question: Whether the Federal Insecticide, Fungicide, and Rodenticide Act preempts a label-based failure-to-warn claim where EPA has not required the warning.
02/11/2026SET FOR ARGUMENT on Monday, April 27, 2026.
02/23/2026Record requested from the Court of Appeals of Missouri, Eastern District.
02/23/2026Brief of petitioner Monsanto Company filed.
02/23/2026Joint appendix filed.
02/24/2026Brief amicus curiae of Atlantic Legal Foundation filed.
02/24/2026Record received from the Court of Appeals of Missouri, Eastern District. The record is electronic and is available on the Court's web docket.
02/27/2026Brief amicus curiae of Croplife America filed.
03/02/2026Brief amici curiae of National Agricultural Associations filed.
03/02/2026Brief amici curiae of Agricultural Retailers Association, et al. filed.
03/02/2026Brief amicus curiae of Retail Litigation Center, Inc. filed.
03/02/2026Brief amici curiae of American Tort Reform Association, et al. filed.
03/02/2026Brief amici curiae of Farm Bureau Organizations of California, et al. filed.
03/02/2026Brief amicus curiae of American Free Enterprise Chamber of Commerce filed.
03/02/2026Brief amici curiae of Missouri State Senator Jason Bean, et al. filed.
03/02/2026Brief amici curiae of Chamber of Commerce of the United States of America, et al. filed.
03/02/2026Brief amici curiae of State of Nebraska, et al. filed.
03/02/2026Brief amicus curiae of United States in support of petitioner filed.
03/25/2026Brief of respondent John L. Durnell filed. (Distributed)
03/26/2026Motion of United States of America for leave to participate in oral argument and for divided argument submitted.
03/30/2026CIRCULATED
03/31/2026Brief amici curiae of Roundup, et al. filed. (Distributed)
03/31/2026Motion of Roundup and Paraquat MDL Leadership for leave to participate in oral argument and for divided argument submitted.
04/01/2026Amicus brief of Naomi Oreskes and Alexander A. Kaurov submitted.
04/01/2026Amicus brief of New Mexico and Seventeen Other States submitted.
04/01/2026Amicus brief of Farmer and Farmworker Groups submitted.
04/01/2026Amicus brief of States of Texas, Florida and Ohio submitted.
04/01/2026Amicus brief of Farmworker Justice, Farmworker Association of Florida, California Rural Legal Assistance Foundation, Migrant Clinicians Network, Alianza Nacional de Campesinas, and Pesticide Action & Agroecology Network submitted.
04/01/2026Amicus brief of Heartland Health Research Alliance submitted.
04/01/2026Amicus brief of United States Senator Cory Booker submitted.
04/01/2026Amicus brief of Public Citizen submitted.
04/01/2026Amicus brief of Veterans of Foreign Wars of the United States submitted.
04/01/2026Amicus brief of Philip Landrigan, MD, MSc, Lianne Sheppard, PhD, Christopher Portier, PhD, Dennis Weisenburger, MD, and Bruce P. Lanphear, MD, MPH submitted.
04/01/2026Amicus brief of Former EPA Officials and Environmental Protection Network submitted.
04/01/2026Amicus brief of The Local Government Legal Center, National Association of Counties, National League of Cities, and International Municipal Lawyers Association submitted.
04/01/2026Amicus brief of 36 State Legislators submitted.
04/01/2026Amicus brief of Children’s Health Defense submitted.
04/01/2026Amicus brief of Center for Food Safety, Consumer Federation of America, Breast Cancer Prevention Partners, Rural Coalition, Alliance of Nurses For Healthy Environments, Center for Biological Diversity, Beyond Pesticides, and Food & Water Watch submitted.
04/01/2026Amicus brief of American Association for Justice and Public Justice submitted.
04/01/2026Amicus brief of Stand for Health Freedom submitted.